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【单选题】
文件系统创建了一个目录结构，这种结构存在()。A.
一个目录文件
B.
一个文件目录
C.
逻辑结构
D.
逻辑空间
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举一反三
【简答题】小儿慢脾风可见
【简答题】作业1:求解一元二次方程 要求:能从键盘输入3组任意不同a、b、c的值,判断有无实数根,并计算器实数其根(a≠0)。 请画出流程图(截图或照片)。
【判断题】Venture capitalist can be both professional investors and non-professional investors.
A.
正确
B.
错误
【单选题】Part A Directions: You will hear 10 short dialogues. For each dialogue, there is one question and four possible answers. Choose the correct answer ― A, B, C or D, and mark it in your test booklet. You...
A.
She figured the problem out in her head.
B.
She was ahead of the other students until today.
C.
She didn't think careful about the problem.
D.
She used her calculator to do the problem.
【简答题】作业1:求解一元二次方程 要求:能从键盘输入3组任意不同a、b、c的值,判断有无实数根,并计算器实数其根(a≠0)。 请给出运行结果截图。
【简答题】A．Both are fast-moving sports. B．Both depend on good tactics. C．Both provide a lot of exercise. D．Both require a lot of training.
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